An asymptotic derivation of weakly nonlinear ray theory
β Scribed by Phoolan Prasad
- Publisher
- Indian Academy of Sciences
- Year
- 2000
- Tongue
- English
- Weight
- 152 KB
- Volume
- 110
- Category
- Article
- ISSN
- 0253-4142
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π SIMILAR VOLUMES
The Hartman-Wintner theorem on asymptotic integration is established for a certain class of functional differential equations with nonlinear perturbations, by looking them as abstract ordinary differential equations. Results for delay differential equations are included in this study. Consequences a
In the paper, with the help of a perturbation expansion method a new higher order nonlinear SchrΓΆdinger (HNLS) equation is derived to describe nonlinear modulated Rossby waves in the geophysical fluid. Using this equation, the modulational wave trains are discussed. It is found that the higher order